US Bridges

Soda Creek Road over S Fork Soda Creek

Fair

Shasta County, California · 2 MI E of I-5 · Structure no. 06C0228

Built
1960
65 years old
Condition
Fair
inspected July 2023
Type
Truss - Thru
Steel
Length
50 ft
1 main span
Daily traffic
80
2015 count
Owner
County
County Highway Agency

About this bridge

Soda Creek Road over S Fork Soda Creek is a steel truss - thru carrying Soda Creek Road over S Fork Soda Creek in Shasta County, California. It was built in 1960, so it is 65 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 80 vehicles a day, roughly 30% of them trucks, projected to reach 320 by 2042. The structure is 50 ft (15.2 m) long and 11 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

Location

Open in Google Maps
CarriesSoda Creek Road
CrossesS Fork Soda Creek
Location2 MI E of I-5
RouteCounty Highway 0
CountyShasta County
StateCalifornia
Coordinates41.17122, -122.27299
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating31.7 US tons
Inventory rating19 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckOpen grating
Main spans1
Design loadUnknown
Structure length50 ft (15.2 m)
Longest span50 ft (15.2 m)
Deck width11 ft (3.4 m)
Roadway width10 ft (3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2015)
Projected traffic320 by 2042
Trucks30%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Soda Creek Road over S Fork Soda Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is Soda Creek Road over S Fork Soda Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2023.

How much traffic does Soda Creek Road over S Fork Soda Creek carry?

About 80 vehicles per day (2015 count), of which roughly 30% are trucks.

How long is Soda Creek Road over S Fork Soda Creek?

The structure is 50 ft (15.2 m) long with a longest span of 50 ft (15.2 m) and a deck 11 ft wide.

Who owns Soda Creek Road over S Fork Soda Creek?

It is owned by the County Highway Agency.